Cap for radiators and the like



April 23,l3. A, SWEET cAP' FOR RADIATORS AND THE LIKE INVENTOR LAURENCE A. SWEET ATTORNEY Aplrfifi 23, 1935. A, SWEET 11,999J119 CAP FOR RADIATORS AND THE LIKE Filed Jan. 29, 1934 2 Sheets-Shet 2 2a 25 A9 mzgfl 2 3 25 fi hll m r w. 4 24 4 6 A w 24A 25A 2Q ATTORNEY Patented Apr. 23, 1935 GAPFOR RABLATORS'AND THEwLIK-E IlaLurc'nceA. Sweet, Huntington Park; Califl, assignor' to Lester "K. Franklin; Chicago; Ill;

:Applicatibn -January 29, 1934,Serial-N0. 708,845

26 Claims. (01. 220--24) Thisinvention :re'lates to caps adapted to be earsf-l-fi; bolts M and plate form no part of the attached over openings in receptaclesfor'mak-- presentinvention and are merely illustrative of ing the-openings accessible-pr closing and 'seala means for securing the capto a filler tube coning the openings; Althoughctheninvention isf'castructed'for a bayonet type of cap. It isobvious 5- pable of embodiment'in caps for: various. typesthat with tubes adapted 'to receive threaded caps, 5 of reneptaic'les w in bekapparentgfrgm th r ubthe recess H-ma-y have its lateral wall threaded joined specification; the specific embodiment so-as to be engageable with the filler tube. A shown and illustrated herein. is adapted to a peripheral groove it is cut in theadaptor havfillerrcap forradiators and tanks. ing a 'bevelled' lower portion meeting a shoulder Theinvention is concerned" with'za-caphaw p r i n t h l w end which rv as a 10 ing abase' and' a lid h'mged to a ring: rotativelya for thev lid T pp ov rh n mounted'e mh 'b fQrangUIariandaxialmoveing' wall "of groove lfiis formedon diametrically ment with respect to-the'base whereby" the lid; opposite sidesof the ring with camsurfaces each may be locked" in: closed: position: on the: base comprising a ramp I? and a dwell it, as best 13 an'dithe.lid rotatively"moved causingfthe"lidand; shown in Fig. 7. At one endof the ramp I1 basewto-be drawn againstone another-*msealing and-on the-upper faceof the adapter is an abutrelatio'nv Ilhezpresent invention has for its ob merit rig'alldat the a d Of the dwel jects theprovisio n ofazstructurewhichfwill funcis-anabutmentlug 2 0; The-upper face of the tion as before described. A further object of: adaptor between lugs- '59 and 2tforrns a cam the invention resides inwtheprovision of locksurface corresponding to the cam surface of i wf th -lidw-andring actuated'by the the groove ifiand therefore having a cam and rotary-orangular' movementof:thering with reandwel-l. The diametrically opposite side'of the spe'ct to the base; adaptor' is constructed in a like manner and-cor- These-objects and"otherdbjects which will=be respendingly numbered with the suffix m added. apparent: from the-following description"are-=ob-- A channelil extends through the upper Wall g m w t embodiment zofu myj nv mi nhilof thegroove 16 so as to -communicate with the lustrate'd. in the accompanying drawings in letter. which: The lid ring -22 hasfollower lugs 23 and 23a Fig, ln s sm view -of'a cap with the lidrin disposed diametrically opposite to one another 3o. closed jposition-andpartly: broken'a-wayto more and shaped to seat in groove i6. They are of clearly =show-the construction; Fig. 2 is a plani suchleng-th that they may be passed through view of-thecap-with the lid ini openipositim; channels '24 and 24a. Immediately above lugs 3 is-a section:as seen on'theiplane designated Z-Sand 2-3aare apertured projections 24 and 24a b 3.1.34 Fig; -1; Fig. 4 is=a-section as seen on Which-mount follower pins 25 and 25a. The latthe plane designated by-4-4 in 'Fig; .2, :a fragter ride between abutmentsl9 and 20 while lugsmerit 0f the: lid? beingshown' to ma-ke the view 231and23a:ridethrough a corresponding distance more compact; Fig. 5 is a SECtiOTLaI' 'ViEW throughing-roovelt. The'oonstruction-is suchthatwhen Fig.1 taken at 9-0 to -theview shoWnrin Fig. '3; the ring is rotated or moved angular-1y with re-' EigrS is a-sectional view through-Fig; 2'talcen at specttothe-base it may turnbetween abutment 40 90 to that shown inFig 4-; Figz 'l is an eleva-- lugs-l9; 20 -and-|9a, 29a. Duringits'rotative or 40 tional view of the' adaptor base; and Figs-84s angular travel the ring and base will be longia-cross sectional view of tl'rering tudinally or axially moved inrelati-on to each Referring more particularly to the drawings; other and after-the followers have spassed-over the a=cap-tor the-filler tuberof =avradibiton :isshown ramps, a limited movement may be obtaineddur- 4s: an'd thewspecific form of adaptor'isthat' which ing'whioh there ism-longitudinal or axial movema yebelaippliedtoavtube'intendedfioriabayonet: 11161113. The1pins25 and-25a are removable.- To type of cap. The present? can isintended to" assemble the :ring on the adaptor, the pins 2'5 and be used-implaceof the caps which arez-stand 2 5a a1'e retractedor removed. The ring is placedcard-equipment. The adaptonbase is de'noted by Over-the adaptor with lugs 23-and 23a registering so In. It: is recessed on the-lower side as indi-- with channels -2l and 2m to enable the lugs to catedby H sotha-t it 'maybe mounted over the be passed to' a position 'alining with groove l6. upper end of a filler tube. Anmpening 1-2" The ring is then-turned to bring channels 2| and provided 1-inthe/center of the-adaptor. 'Ears 13 2I:a .out of registration with lugs and 23a and are'i'provided with apertures to receive: bolts It With-projections- Z tand 24a between abutment 5 on which a -bayonet plate i i-is secured. The H! and 2!! and [9a, 29a. Pins 25and 25a are then 5 inserted or projected to their normal positions, thereby locking the ring and adaptor against displacement, the abutments l9 and lfla and the follower pins 25 and 25a preventing lugs 23 and 23a from aligning with channels 2! and 2 la and thus preventing disengagement of the ring and adaptor.

On the ring are hinge cars 26 to receive a hinge pin 2'1. The hinge pin 2? secures the hinge leaf on lid 28. Diametrically opposite the ears 2G is a projection 29 to slidably hold a latch 30 having a downwardly turned follower end. The lid '28 has a keeper recess 3! for entrance therein of the latch. In the upper face of adaptor i is a cam groove 32 having an arcuate portion concentric with the adaptor and a slanting portion. The follower portion of the latch rests in the cam groove 32. The cam groove 32 is related to the cam surfaces I! and i8 so that the slanting portion will act on latch 35! to project the latter prior to the adaptor and lid being drawn together by the rotating movement. The arcuate portion of cam groove 32 is positioned so that the follower of latch SE is disposed therein while the lugs 23 are in the ramp portions of groove IS. An annular rib 33 is provided on the inner surface of lid 28 to engage a gasket 34 on the adaptor. Thus, when the lid is closed as shown in Fig. 3 the rib 33 will make sealing contact with the f gasket.

The cap having been attached'to a filler tube is operated in the following manner. Assume the cap is open and in the position shown in Figs. 2 and 4. The lid 28 is first swung downwardly to its closed position and then given a twist. This will cause the ring 22 to rotate or move angularly on its base l9 and the latch 39 to be projected into its keeper thereby locking the lid to the ring. At the last position of the twisting movement, longitudinal or axial movement of the ring in relation to the adaptor occurs so as to move the adaptor against the lid and draw'rib 33 into sealing contact with gasket 34. The arouate portion of cam groove 32 permits this drawing of the lid against the base after looking has occurred. To open the cap, the lid is given a twist in the opposite direction so as to first move the adaptor and lid out of sealing contact and then to unlock the lid enabling it to be raised.

What I claim is:

1. A cap for a tank comprising a base having an opening therethrough, a ring rotatively and slidably secured to said base, a lid hinged to said ring to be swung to and from closed position with relation to said opening: means for said opening carried by the lid and base, said ring and base having a coasting annular cam and follower whereby relative rotation of said ring and base causes longitudinal movement of said ring with relation to said base, and locking means for said lid and base to hold the lid in closed position, said cam and follower enabling said base and lid to be drawn longitudinally together.

2. A cap for a tank comprising a base having an opening therethrough, a ring rotatively and slidably secured to said base, a lid hinged to said ring to be swung to and from closed position withrelation to said opening: cooperative sealing means for said opening carried by the lidand base, said ring and base having a coacting annu lar cam groove and follower therein wherebyrelative rotation of said ring and base causeslongitudinal movement of said ring with relation said base, and locking means for said lid and base cooperative sealing to hold the lid in closed position, said cam groove having a ramp portion and a dwell portion to enable initial limited rotative movement of said ring in locked position of said lid with said base and lid retracted and thereafter to draw said lid and base together.

3. A cap for a tank comprising a base having an opening therethrough, a ring rotatively and slidably secured to said base, alid hinged to said ring to be swung to and from closed position with relation to said opening: cooperative sealing means for said opening carried by the lid and base, said ring and base having a coacting annular cam and follower whereby relative rotation of said ring and base causes longitudinal movement of said ring with relation to said base, and locking means interposed between said lid and base and operable by rotative movement of said lid to hold the latter in closed position and finally draw said base and lid longitudinally together.

4. A cap for a tank comprising a basehaving an opening therethrough,.a ring rotatively slidable onsaid base,a' lid hinged to said ring to be swung to and from closedpositionwith relation tosaid' opening: cooperative sealing means for said opening carried by the lid and base, said ring and base having'a coacting-annularicam groove and follower therein whereby relative rotation of said ring and base causes longitudinal movement of said ring with relation to said base, and locking means interposed betweensaid lid and base and operable by rotative movementof said lid to hold the latter in closed position, with said base and lid drawn together, said cam. groove having a ramp portion and a dwell portion to enable initial limited rotative movement of said ring in locked position of said lid with said base and lid retracted and :finally to draw said lid and base together.

5. A cap fora tank comprising a base having an opening therethrough, a ring 'rotatively slidable on said base, a lid hinged to said ring to. be swung to and from closed position with relation to said opening: said ring and base having a coacting annular cam and follower whereby relative rotation of said ring and base causes longitudinal movement of said ring .with relation to saidbase, said ring and lid having a latch member and a keeper member, one of said'membersbeing fixed on said ring and the other member beingmovable for locking engagementand unlocking dis-- engagement with its companion member, and cam means on said base for actuating said movable member to operate the latter on relative rotation of said ring and base and to efiect locking of said lidin closed position with said base and. lid drawn together. 3 g

' 6. A cap for a tank comprising a base havin an opening therethrough, a ring rotatively slidable on said base, a lid hinged to said ring to be swung to and from closed position'with relation to said opening: said ring and base having a coacting annular cam groove and'follower therein wherebycrelative rotation of said ring and base causes longitudinal movement of said ring with relation to said base, said ring and lid having a latch'member and a keeper member, one of said members being fixed on said ring and'the other member being movable for locking engagement andunlocking disengagement with its companion member, and cam means on said base for actuating said movable member to'operate the latter on relative rotation of said ring and base and to effect locking of saidlid in'closed position with said base and lid drawn together, said cam groove nee -11a having a ramp portion and ia 'dwe'll portion to enable initial limited mitative movement of said ring. in locked positionof said lid with 'said base and lid retracted. and finally to drawz said lid and base together. I

7., A cap fona -tank comprising abaseum'ember having an: opening therethrough, a: ring member: rotatively slidabl'e on; said base member, a lid hinged tosaid-r ing' member to be swung to :and from close'diposition with relation to said open ing: "cooperative sealing means for saidioltx'enin'g carried by the lid and -base member; one of said: members "having radiall y projecting follower lugs, the other member-having coasting annular oam grooves whereby relative rotation of said mem bers causes longitudinal movement of said ring member with relation to said'base member, said other member having axially extending recesses opening to saidgrooves-toenableinsertion of said ring member over said base member and positioming of said lugszinsa'id grooves, and lockingmeans for said lid and -base memberto ho'ld the lid in closed position, said annular cam: grooves eachhaving a ramp portion and a dwell portion to enable initial' limited rotative movement of said ring member in locked position of said lid" with said lid and base member retracted and finally to A draw 'said lid and base member together.

-:8. A cap tor-atank eomprising a base having an opening therethrough, aring rotati-velyslidable on said base, a lid hinged to said' ring to beswung to and-from;closedposition"with relation to said-"opening: cooperative sealing means tor said opening carried bythe lid and base, said ring having instanding follower lugs, said base having coacting annular cam grooves whereby relative rotation of said ring. and base =causes longitudinal movement of saidring with relation to said base; said ring having axially extendingrecesses opening to saidgroove to enable lateral insertion of. said ring over said base and positioning of saidlugsin said'grooves; removable follower pinson said ring adjacent said lugs' overlying the upper-face of said base, said base havinga'butments limiting rotative "travel of said ring beyond registrationof saidlugs and said recesses, and locking means for saidlid andbase-to hold the lid 'in closed position, said annular camgrooves, each having a-ramp-portion and a dwell portion'to. enable initiall imited rotative movement "of said ring invloolied position of said lid 'with said base and lid-retracted and finally-to-dr-aw said lid andbase together;

' 9. A capfor a tank comprising a base-having an opening therethrough, a ring rotativelygslidable-on said base, a lid hinged'to said-ring to be swung to and from closed position with relation to said opening: cooperative-sealing means forsaidopen-ing carried by the lid and base, said ring having inst-anding followerlugs, said base having coacting annular cam-grooveswhereby relative rotation of said ring and base causes longitudinal movement ofsaid ring "with relation to'said base, said ring having axially extending recesses opening to-said grooves to en-- able lateral insertion of said ring oversaid base and-positioning of said'lugsin said grooves, re-- movable follower pins on said ring overlying the upper face of' said base, said base having abutmerits limiting rotative travel ofsaidringbeyond registration of said lugs and said recesses, look-- ing means interposed betweensaid lid and base and operably'by rotative-movementof said lid to hold the latter in closed position, said annularcam-grooves each having a ramp portion and a dwell sportion: to: :enable; initial" limited :rota'tive movement of saidiingfin locked position of said lid with: said base and 'lid retracted 1 and finally to draw said lid and base together.

A cap for' a tank :comprising a base having an opening therethrough, -a ring rotatively slida'ble on -said base, a 'lid h'inged tosaid ring to be swung to and from closed position with rela tion: tosaid opening: cooperative sealing means for said opening can iedby the lid :and base; said ring liaving:instanding follower lugs, said-base having coasting annular oam grooves whereby relative rotationi-of said ring and base causes: longitudinal movement of said ring with rel'a tion to -"said base, said ring havingaxially extending recesses: opening to said grooves to an able lateral insertion -ofsaid ring over said base and positioning ofsaid lugs in-said grooves; re movable follower -pins T0111 said ring adjacent said lugs overlying the upper face of saidbase, said base havingabutments limitihg rotative travel of said rin'g beyond registration of said lugs and said recesses, locking means interposed betweensaid-lidand baseand operable by rotative move ment of said lid to hold the latter in closed posi tio'n, said annular cam grooves each. having a ramp portion-and a dwell portion for said lugs to follow and said upper face having a corresponding ramp portion and-dwell portionfitoen able initial limited rotative movement of said ring in: locked position of said lid with said base andulid-retracted and finally to draw said 'lid and base together. I

1 1. capi'or a tank comprising a has-shaving an -open-ing' therethrough, a ring rot'atively slidable on said base, a lid hinged t'o -said ring'to b'e' swung to'and from closed position-with relatien' to=said*opening said ring having instanding follower lugs, 'said -base having. eoacting annular cam grooves whereby relative rotation of saiclring and base causes longitudinal movement of said ring with relation to said base, said ringhavingaxially extending recesses opening to said grooves to enable lateral insertion oi"said-ring= over said-base and pesitioning of said lugs in said grooves, removable follower pins on said ring overlying the upper face-of said base, saidbase having-:abutments limiting rotative travel of said ringbeyond registration of said lugs andsaid recesses, a slidable latch with affollower mount-- ed in said' ring, said lid having a keeper for said latch, a latch cam on said base receiving saidlatch follower, said: latch cam having a latch moving portion-and a dwell portion enabling. rotative movement of said ring and stationary positionoi said-latch with said base andxliddrawntogether; said annular oam grooves each havingv a r-amp portionandadwellportion to enable .in'itial' limited' rotative movement of. said ring in locked position of said lid with said base and: lid retracted-and finally :todraw said: base and lidtogether.

.12. A cap for a tank comprising a base having' an opening 'therethrough, a ring rotatively slidable -on said base, a lid hingedtosaidrring to be: swung to andfromclosed position with relation: to=said opening: said ring havinginstanding follower lugs, said base having coacting annular cam: grooves whereby relative rotation of said ring' and -base causes longitudinal movement of; said ring with relation to said base, said ring having axially extending recessesopening to said grooves to enable lateral insertion .of said. ring. oven-said base 'an'd positioning. ofxsaidilugs .in-said grooves, removable follower pins on saidiring ad jacent said lugs overlying the upper face of said base, said base having abutments limiting rotative travel of said ring beyond registration of said lugs and said recesses, a slidable latch with a follower mounted in said ring, said lid having a keeper for said latch, a latch cam on said base receiving said latch follower, said latch cam having a latch moving portion and a dwell portion enabling rotative movement of said ring and stationary position of said latch with said base and lid drawn together, said annular cam grooves each having a ramp portion and a dwell portion for said lugs to follow and said upper face having a corresponding ramp portion and dwell portion to enable initial limited rotative movement of said ring in locked position of said lid with said base and lid retracted and finally to draw said lid and base together.

13. 'A closure cap comprising a base having an opening therethrough, means for anchoring the base, a ring mounted around the base for angular and axial movement with respect to the base, a lid hinged to the ring, cooperative sealing means for said opening carried by the lid and base, means operative upon angular movement of the ring for moving the ring axially with respect to the base, and means for securing the lid to the ring.

14. A closure cap comprising a base having an opening therethrough, a ring having a lid hinged thereto, the ring and base being mounted for angular and axial movement relative to each other, cooperative sealing means for said opening carried by the lid and base, means for holde ing the lid in closed position, and means operative upon relative angular movement between the ring and base for moving the ring and base axially with respect to each other. a

15. A closure cap comprising a base having an opening therethrough, a ring having a lid hinged thereto, the base and ring being mounted for rela-- tive angular movement with respect to each other, and locking means comprising a latch bolt movable relative to the lid and ring and means on the lid and ring for receiving the bolt for holding the lid in closed position over said opening, said latch bolt being actuated by the relative angular movement of the ring and base.

16. A closure cap comprising a base having an opening therethrough, a ring having a lid hinged thereto, the ring and base being mounted for angular and axial movement with respect to each other, cooperative sealing means for said opening carried by the lid and base, means operative upon relative angular movement between the ring and base for moving the ring and base axially with re;- spect to each other, and locking means for securing the lid to the ring, said locking means comprising a latch bolt movable relative to the lid and;

ring and actuated by the relative angular movement of the ring and base.

17. A closure cap comprising a base having an opening therethrough, a ring having a lid hinged thereto, the ring and base being mounted for angular and axial movement with'respect to each other, means for holding the lid in closed position, and cooperative sealing means for said opening carried by the lid and base, the ring and base having coacting cam surface and follower means for moving the ring and base axially of each other during at least a portion of their relative angular movement.

18. A closure cap comprising a base having an opening therethrough, a ring having a lid hinged thereto, means for anchoring the base, the ring beingmounted for angular movement with respect to the base, and means for locking the lid to the, ring, the last-named means comprising a reciprocablerlatch bolt and ,means for reciprocating the latter by the angular-movement of the tration with the guide, and means associated with said base for reciprocating the latch bolt upon relative angular movement between the ring and base.

20. A closure capcomprising a base having an opening therethrough, a ring having a lid hinged thereto, the ring and base being mounted for angular and axial movement with respect to each other, cooperative sealing means for said opening carried by the lid and base, the ringv and base having coacting cam surface and follower means for moving the ring and base axially of each other during at least a portion of their relative angular movement, alatch keeper on the lid, an apertured guide on the ring adapted to register with said keeper when the lid is in closed position, a latch bolt reciprocable through said guide'into and out of engagement with said keeper when the latter is in registration with the guide, and means asso ciated with said base for reciprocating the latch bolt upon relative angular movement of the ring and base.

21. A closure cap comprising a base having an opening therethrough, a ring having a lid hinged thereto, the ring and base being mounted for angular and axial movement with respect to each other, a lid hinged to the ring, cooperative sealing means for said opening carried by the lid and base, a cam surface on the upper face of the base having a dwell and a ramp upwardly inclined from the dwell, follower means on the ring adapted to ride in the cam surface, the ramp and follower means causing relative axial movement of the ring and base during their relative angular movement, a cam groove having anarcuate portion and inwardly slanting portion in the upper face of :the base, a latch bolt havinga projection riding in said groove, the arcuate portion of such groove being so positioned that said projection rides therein when the follower means rides on the ramp, a latch keeper onthe lid, and an apertured guide onthe ring adapted to register with the keeper when the lid is in closed position, the latch bolt being in alignment with said guide and projectable into and retractable from the keeper when said projection rides in the slanting portion of said cam groove.

22. A closure for tanks and the like comprising a ring having 'a lid hinged thereto, an adaptor base portion within the ring and having an opening therethrough, the ring being mounted for angular and axial movement with respect to the base portion, means for anchoring thebase portion, cooperative sealing means on the lid and base portion, means for securing the lid to the ring and comprising a reciprocable latch bolt actuated by the relative angular movement of the ring and base portion, and means operative upon angular movement of the ring for moving the latter axially of the base portion. a

23. A closure for tanks and the like comprisi a ring having a lid hinged thereto, an adaptor base portion Within the ring and having an opening therethrough, the ring being mounted for angular movement around the base portion, means for anchoring the base portion, and means comprising a reciprocable latch bolt actuated by the angular movement of the ring for locking the lid to the ring.

24. A closure for tanks and the like comprising a base having an opening therethrough, a ring having a lid hinged thereto, the ring and base being mounted for relative angular and axial movement with respect to each other, cooperative sealing means carried by the lid and base, means operated during a portion of the relative angular movement of the ring and base for locking the lid to the ring, and means operating during another portion of the relative angular movement of the ring and base for moving the ring and base axially with respect to each other.

25. A closure for tanks and the like comprising a ring having a lid hinged thereto, an adaptor base portion Within the ring and having an opening therethrough, the ring being mounted for angular and axial movement with respect to the base portion, means for anchoring the base portion, cooperative sealing means on the lid and base portion, means operated during a portion of the angular movement of the ring for locking the lid to the ring, and means operating during another portion of the angular movement of the ring for moving the latter axially of the base portion.

25. A closure for tanks and the like comprising a base member and a ring member mounted for angular movement relative to each other, an opening in the base member, a lid hinged to one of said members, and means for locking the lid in closed position over said opening, comprising a latch bolt movable relative to the lid and ring member and actuated by the relative angular movement of said members.

LAURENCE A. SWEET. 

